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GeForce 8600 GS (OEM) vs GeForce GT 450 (OEM)

Intro

The GeForce 8600 GS (OEM) uses a 80 nm design. nVidia has clocked the core frequency at 540 MHz. The DDR2 memory runs at a frequency of 400 MHz on this specific model. It features 32 SPUs along with 16 TAUs and 8 ROPs.

Compare all that to the GeForce GT 450 (OEM), which comes with a core clock frequency of 790 MHz and a GDDR5 memory frequency of 1000 MHz. It also makes use of a 192-bit bus, and makes use of a 40 nm design. It is made up of 144 SPUs, 24 Texture Address Units, and 24 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GS (OEM) 47 Watts
GeForce GT 450 (OEM) 106 Watts
Difference: 59 Watts (126%)

Memory Bandwidth

The GeForce GT 450 (OEM) should in theory be quite a bit faster than the GeForce 8600 GS (OEM) overall. (explain)

GeForce GT 450 (OEM) 96000 MB/sec
GeForce 8600 GS (OEM) 12800 MB/sec
Difference: 83200 (650%)

Texel Rate

The GeForce GT 450 (OEM) is much (about 119%) more effective at anisotropic filtering than the GeForce 8600 GS (OEM). (explain)

GeForce GT 450 (OEM) 18960 Mtexels/sec
GeForce 8600 GS (OEM) 8640 Mtexels/sec
Difference: 10320 (119%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GT 450 (OEM) is a better choice, and very much so. (explain)

GeForce GT 450 (OEM) 18960 Mpixels/sec
GeForce 8600 GS (OEM) 4320 Mpixels/sec
Difference: 14640 (339%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce 8600 GS (OEM)

Amazon.com

Check prices at:

GeForce GT 450 (OEM)

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce 8600 GS (OEM) GeForce GT 450 (OEM)
Manufacturer nVidia nVidia
Year April 2007 October 2010
Code Name G84 GF106
Memory 256 MB 1536 MB
Core Speed 540 MHz 790 MHz
Memory Speed 800 MHz 4000 MHz
Power (Max TDP) 47 watts 106 watts
Bandwidth 12800 MB/sec 96000 MB/sec
Texel Rate 8640 Mtexels/sec 18960 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 18960 Mpixels/sec
Unified Shaders 32 144
Texture Mapping Units 16 24
Render Output Units 8 24
Bus Type DDR2 GDDR5
Bus Width 128-bit 192-bit
Fab Process 80 nm 40 nm
Transistors 289 million 1170 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of data (measured in megabytes per second) that can be moved across the external memory interface within a second. It is calculated by multiplying the interface width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce 8600 GS (OEM)

Amazon.com

Check prices at:

GeForce GT 450 (OEM)

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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